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CLINICAL TRIAL, PHASE III
JOURNAL ARTICLE
RANDOMIZED CONTROLLED TRIAL
Topical glycopyrronium tosylate for the treatment of primary axillary hyperhidrosis: Results from the ATMOS-1 and ATMOS-2 phase 3 randomized controlled trials.
Journal of the American Academy of Dermatology 2019 January
BACKGROUND: Glycopyrronium tosylate (GT) is a topical anticholinergic developed for once-daily treatment of primary axillary hyperhidrosis.
OBJECTIVE: Assess the efficacy and safety of GT for primary axillary hyperhidrosis.
METHODS: ATMOS-1 and ATMOS-2 were replicate randomized, double-blind, vehicle-controlled, 4-week phase 3 trials. Patients were randomized 2:1 to GT 3.75% or vehicle applied once daily to each axilla for 4 weeks. Coprimary endpoints were responder rate (≥4-point improvement from baseline) on item 2 (severity of sweating) of the Axillary Sweating Daily Diary (ASDD), which is a newly developed patient-reported outcome measure, and absolute change from baseline in axillary gravimetric sweat production at week 4. Safety evaluation included treatment-emergent adverse events.
RESULTS: Pooled data, which are consistent with the individual trial results, show that significantly more GT-treated patients achieved an ASDD-Item 2 response than did those treated with vehicle (59.5% vs 27.6%), and they had reduced sweat production from baseline (-107.6 mg/5 min vs -92.1 mg/5 min) at week 4 (P < .001 for both coprimary end points). Most treatment-emergent adverse events were mild or moderate and infrequently led to discontinuation.
LIMITATIONS: Short trial duration and inherent challenges in gravimetrically assessing sweat production.
CONCLUSIONS: GT applied topically on a daily basis over 4 weeks reduced the severity of sweating as measured by ASDD-Item 2, reduced sweat production as measured gravimetrically, and was generally well tolerated in patients with primary axillary hyperhidrosis.
OBJECTIVE: Assess the efficacy and safety of GT for primary axillary hyperhidrosis.
METHODS: ATMOS-1 and ATMOS-2 were replicate randomized, double-blind, vehicle-controlled, 4-week phase 3 trials. Patients were randomized 2:1 to GT 3.75% or vehicle applied once daily to each axilla for 4 weeks. Coprimary endpoints were responder rate (≥4-point improvement from baseline) on item 2 (severity of sweating) of the Axillary Sweating Daily Diary (ASDD), which is a newly developed patient-reported outcome measure, and absolute change from baseline in axillary gravimetric sweat production at week 4. Safety evaluation included treatment-emergent adverse events.
RESULTS: Pooled data, which are consistent with the individual trial results, show that significantly more GT-treated patients achieved an ASDD-Item 2 response than did those treated with vehicle (59.5% vs 27.6%), and they had reduced sweat production from baseline (-107.6 mg/5 min vs -92.1 mg/5 min) at week 4 (P < .001 for both coprimary end points). Most treatment-emergent adverse events were mild or moderate and infrequently led to discontinuation.
LIMITATIONS: Short trial duration and inherent challenges in gravimetrically assessing sweat production.
CONCLUSIONS: GT applied topically on a daily basis over 4 weeks reduced the severity of sweating as measured by ASDD-Item 2, reduced sweat production as measured gravimetrically, and was generally well tolerated in patients with primary axillary hyperhidrosis.
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